Portable pulling tool
US7850145B2 · kind B2 · utility
14Cited by
26References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2007 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Jul 29, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D3/006
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A portable pulling tool is provided including an integrally formed one-piece gear case for positioning all of the gear train components. The gear train includes a combination of helical gears and a differential planetary gear unit in a unique configuration. A motor control system is provided to automatically shut off the motor when a predetermined current load is detected. A multi-segment LED is provided to indicate to the user the amount of load that is being applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.